The present resident natives appear to have no tradition concerning the ruins. They do not know, or even wish to know, who built them, and if any tradition did exist it would be difficult to obtain any information from them on the subject. Some natives have been known to confess in a half-hearted manner that they were erected by live spirits, just as was stated by De Barros in 1532, when he writes, "The natives say they (the Zimbabwes) are the work of the devil (supernatural), because they are beyond their powers to execute." And to illustrate the utter ignorance prevailing in their minds on this subject, many natives have been known to state that these ruins were the work of Englishmen, because nothing is impossible for them to accomplish.
But, to be scrupulously fair, I should present a mitigating point. Giorgio Tsoukalos and Erich von Däniken have been obsessed with the idea that ancient stone structures were poured in place from concrete rather than quarried, despite the geological impossibility of making granite and other types of rock that way. So, in fairness, here is some additional information the 1904 authors collected about native traditions of Zimbabwe: